Hi,
16.02.2012 19:09, Jaakko Luttinen kirjoitti:
[clip]
> Can this be considered as a bug or missing feature or is there some
> rationale behind this?
It's a bug and a missing feature.
The integration between sparse matrices and the dense-matrix functions
(multiply/add/sin/tanh/etc...) in Numpy is not as good as it could be at
the moment.
http://projects.scipy.org/scipy/ticket/1598
--
Pauli Virtanen